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Finding the Fourth Proportional to 126,477.88, 174,537.06 and 69,888.04

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Solution

The fourth proportional to 126,477.88, 174,537.06 and 69,888.04 is: 96,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,477.88 : 174,537.06 = 69,888.04 : x
  2. Step 2: Convert to fraction form
    126,477.88/174,537.06 = 69,888.04/x
  3. Step 3: Cross multiply
    126,477.88x = 174,537.06 × 69,888.04
  4. Step 4: Simplify right side
    126,477.88x = 12,198,053,030.76
  5. Step 5: Solve for x
    x = 12,198,053,030.76/126,477.88
  6. Step 6: Final answer
    x = 96,444.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.